Pipe-coupling.



ness 2 R. J. NOAKES.

PIPE COUPLING.

APPLICATION FILED DEC. 13. 1917.

Roberl J NoaKes nvenfbr Patented July 23, 1918.

- declare that the following is a ra smarts PATENT crutch ROBERTA NOAKES, 01E MONTREAL, QUEBEC, CANADA, ASSIGNOR 01F ONE-HALF T0 GEORGE JAMES SHEPPARD, 01B MONTREAL, CANADA;

PIPE-COUPLING,

specification of Letters Tateut,

Patented July as, are.

Application filed mecemher 113, 19117. Aerial Ito. 207,013.-

mechanical superintendent, of the city of Montreal, in the district of Montreal, Province of Quebec, Dominion of Canada, have invented certain new and useful Improveinents in Pipe-Couplings; and I do hereby full, clear, and exact description thereof.

My invention relates particularly to pipe I couplings of the type requiring to be coupled and uncoupled with despatch, and has for its object to provide a device of this nature the members of which will be firmly interlocked and present the perfectly tight joint and at the same time also present an exteri-or without protuberances and of rela consist essentially of a pair of coupling tively large diameter to facilitate manipulation; While the interior presents no obstruction to the clear .and invariable passage of the fluid conducted.

To this end the invention may be said to members corresponding with one another in all respects and consequently being interchangeable. Each of these members com-. prises a head and a shank, the head being 'of relatively large diameter and being chambered to accommodate within it and outside ofjthediameter of the bore, a pair of logs located at diametrically o posite sides of the bore, while each outer ace has a lo king and clamping socket adapted to engage teats also'located atdiametrically opposite sides of the chamber and in a plane at right-angles to the plane in which the lugs are located.

The lugs of each head are adapted to engage the teats of the other head. The faces of,

'these heads are each provided with a con centric. circular asket; while the exterior of each shank is ormedwith a spiral thread "to facilitate the connection of the hose or other flexible conductor the ends of which are to be united bythis coupling. 7

For full comprehension, however, of my invention, reference must be had to the accompanying drawings in which similar reference characters indicate the same parts, and wherein:

Figure l is a side elevation of my improved coupling with the members brought coupler members.

heads. I i Y I Figs. ,5 and 6 are detail views of the gasket, for packing the joint between the heads Fig. 4: is an end view ofone of the coupling when coupled.

, The coupling members, as before mentioned, correspond in all respects, and it will be necessary for me to describe one only in detail. Each member consists of a'shank, 6%

andan integral head, 0, the shank being 0 tubular form and merging into the head. which is chambered as at d, to an interior diameter suficiently greater than the bore, 6, of the shank t6 accommodate'outsideof the circumferential line 1 of'the bore, a pair of lugs, f. The outerface, of each lug is finished in an arc coincident with the circumferential line of the chamber the inner sides thereof being formed to curve of relatively small diameter in order to give body to the lug. The outer face of each lug is formed with a socket, it, closed at one side by a wall, 2', formed by one side of the lug, while the opposite side is cut away to present an inclined face, 3', and an opening it. These lugs of each member are, by the struc- All ture just described, adapted to engage a pair of teats, m, rotruding inwardly from the Wall ofthe c amber at diametrically opposite sides thereof and in a lane at rightangles to the plane in whic the lugs are the coupling members, the face of-each is of suficient width to accommodatea concen- Operation. When it is desired to couple flexible ipe lengths with my invention, the coup ing member-sage screwed-into the respective pipe ends to be cpupled, the spiralthread facilitating this action and permitting the mem.- bers to be readily united to almost any pipe of soft or relatively soft material, such as ordina rubber piping and the wire-wound kind. he respective heads are then brought into juxtaposition with the arrows in line as shown in dotted lines Fig. 1, thus placing each lug with the opening it, in juxtaposition with the teat it is to engage. When in this position the heads are rotated in opposite directions thereby causing the teats to engage the inclined surfaces thus drawing the heads together and' compresslng the gasket until thejuxtaposed-faces of the heads almost come, into bearing relation and the teats reach the sockets h, where they are yicldingly held 'by the expansion of the gasket, the latter, however, being held under tight compression, andin this manner a perfect joint is eifected. between the gasket and consequently between the coupling members while the latter are coulpledposition. 1 I

his improved coupling has many advantagesiover other pipe couplings here fore used in that the coupling heads are inter'changeable? and consequently the disadvanta e of two'rights or two'lcfts being broug t together is avoided. Many diiferent diameters of" shank can be used with what may be a standard head. A perfectly tight joint is presented for-compressed air, steam, or other fluid conducting pipes or where any other connection or joint pipes aroused, the

passage "throu h the cou ling being packed by a; gasket '0 relatively arge diameter'and outslde of the locking lugs cannot be obstructed by displacement of the gasket, and this passage is consequently in 'no'danger of being blocked orobstructed. The gasket cannot be displaced by the fluid when pro-, jected through one of the uncoupled heads, the position of thegasket in the abutting faces of the heads and supported at a both inside and outside diameter bythe walls of yieldingly locked in the grooves in which they are set securing maximum efliciency as a joint packing, the lugs and the teats with which they interlock being within the heads any danger of damage to them is obviated and-the relatively large diameter and'knurled exterior of the heads facilitates manipulation and makes the use of a tool for opening and closing the coupling quite unnecessary. Another and important advantage is that the coupling their outer faces coinciding with the wall 0 the chamber and having sockets each with an opening at one side to receive the teats of the other member, thediameter of the .spacebetween the lugs being greater than the diameter of the bore of the shank of each member; the face of each member having a concentric groove and a gasket seated therein.

' 2. A coupling for flexible pipes comprising a pair of members each consisting .of a unitary Integral head and shank axially bored throughout their length, each head being of relatlvely lar e diameter and having its bore of increase diameter to present a chamber, a pair of lugs formed inte rally with each head and located at diametrically opposite points and a pair of teats formed integrally with each head and diametrically oppositely disposed in a plane at right-ang are located, the lugs having their outer faces coinciding with'the wall of the chamber and having sockets each with an opening. at'one side to receive the teats'of the other member, the diameter of the space between the lugs being greater than the diameter of the bore of the shank; the face of each member having a concentric groove and a gasket seated therein.

3: A couplin for flexible pipes comprising a pair of mem rs each consisting of can integral head and shank axiall bored throu hout their length, each hea being of re atively large diameter and. having its-bore of increased diameter to present a chamber,- lugs and teats formed inte rally with the said head, the lugs having t eir outer faces co-inciding with the wall of the chamber and having sockets each with an opening at one side'-to receive the teats of the other member,the diameter of the space between the es to the plane in which the lugs lugs being greater than the diameter of the name to this specification in the presence of bore of the shank of each member, the edge two witnesses.

of the said side opening into the socket 1n each lug being inclined; the face of each member having a concentric groove and a.

gasket seated therein.

In testimony whereof I have signed my 1 ROBERT J. NOAKES.

Witnesses:

GORDON G. COOKE, WILLIAM J. C. Hnwmson. 

